SPY Expected Move by VIXThis indicator shows 1 and 2 standard deviation price move from the VWAP based on VIX. Implied Volatility (IV) is being used extensively in the Option world to project the Expected Move for the underlying instrument. VIX is used as a proxy for SPY's IV for 30 days.
This indicator is meaningful only for SPY but can be used in any other instrument which has a strong correlation to SPY.